private void Page_Load(object sender, System.EventArgs e)
{
GetAllNodeText(TreeView1.Nodes);
}
void GetAllNodeText(TreeNodeCollection tnc)
{
foreach(TreeNode node in tnc)
{
if(node.Nodes.Count!=0)
GetAllNodeText(node.Nodes);
Response.Write(node.Text + " ");
}
}
{
GetAllNodeText(TreeView1.Nodes);
}
void GetAllNodeText(TreeNodeCollection tnc)
{
foreach(TreeNode node in tnc)
{
if(node.Nodes.Count!=0)
GetAllNodeText(node.Nodes);
Response.Write(node.Text + " ");
}
}
SqlSiteMapProvider.cs
using System;
using System.Web;
using System.Data.SqlClient;
using System.Collections.Specialized;
using System.Configuration;
using System.Web.Configuration;
using System.Collections.Generic;
using System.Configuration.Provider;
using System.Security.Permissions;
using System.Data.Common;
using System.Data;
using System.Web.Caching;
protected void Page_Load(object sender, EventArgs e)
{
News tree = new News();
this.ViewState["ds"] = tree.GetNews();//获取dataset,你的表
//调用递归函数,完成树形结构的生成
AddTree(0, (TreeNode)null);
}
//递归添加树的节点
public void AddTree(int ParentID, TreeNode pNode)
{
DataSet ds = (DataSet)this.ViewState["ds"];
DataView dvTree = new DataView(ds.Tables[0]);
//过滤ParentID,得到当前的所有子节点
dvTree.RowFilter = "[ParentID] = " + ParentID; foreach (DataRowView Row in dvTree)
{
TreeNode Node = new TreeNode();
Node.NavigateUrl = Row["Page"].ToString();
Node.Target = "rbottom";
if (pNode == null)
{ //添加根节点
Node.Text = Row["Context"].ToString();
TreeView1.Nodes.Add(Node);
Node.Expanded = true;
AddTree(Int32.Parse(Row["ID"].ToString()), Node); //再次递归
}
else
{ //̀添加当前节点的子节点
Node.Text = Row["Context"].ToString();
pNode.ChildNodes.Add(Node);
Node.Expanded = true;
AddTree(Int32.Parse(Row["ID"].ToString()), Node); //再次递归
}
}
}
不过是用 JavaScript 写的,如果帮得上忙的话,我再弄个C#的